﻿<p>The objectified relationship (<em>IfcRelAssociatesLibrary</em>) handles the assignment of a library item (items of the select <em>IfcLibrarySelect</em>) to subtypes of <em>IfcObjectDefinition</em> or <em>IfcPropertyDefinition</em>.</p> 

<p>The relationship is used to assign a library reference or a more detailed link to a library information to objects, property sets or types. A single library reference can be applied to multiple items.</p> 

<p>The inherited attribute <em>RelatedObjects</em> define the items to which the library association is applied. The attribute <em>RelatingLibrary</em> is the reference to a library reference, applied to the item(s).</p> 

<blockquote class="history"> 
HISTORY&nbsp; New entity in IFC2x.
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